Expansion base for a notebook personal computer



FIG. 1 is a front, right side, top perspective view of an expansion base for a notebook personal computer showing our new design with a notebook computer being shown in its operative position in broken lines for illustrative purposes only and forming no part of the claimed design;

FIG. 2 is a front, right side, top perspective view of the expansion base for a notebook personal computer showing our new design;

FIG. 3 is a top plan view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a rear elevational view thereof. 

The ornamental design for an expansion base for a notebook personal computer, as shown and described. 